This document discusses changes and optimizations needed for App Store Optimization (ASO) in iOS 11. The key points covered are: 1. App name length must be <= 30 characters and subtitle <= 30 characters. 2. Include 3 screenshots in search and 1-3 video autoplays. 3. Developer pages and In-App Purchases will now appear in search results. 4. Description, promotional text, and rating history can be changed when submitting app updates. Replies can also now be provided for reviews. 5. ASO should be optimized for the app name, subtitle, keywords and In-App Purchases. Testing different screenshots and video orientations can also help